Articles | Volume 16, issue 3
https://doi.org/10.5194/acp-16-1511-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-1511-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
10 Feb 2016
Research article |
| 10 Feb 2016
Origin of oxidized mercury in the summertime free troposphere over the southeastern US
Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA
L. Jaeglé
Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA
L. E. Gratz
Environmental Program, Colorado College, Colorado Springs, CO, USA
J. L. Ambrose
School of Science, Technology, Engineering and Mathematics, University of Washington-Bothell, Bothell, WA, USA
now at: College of Engineering and Physical Sciences, University of New Hampshire, Durham, NH, USA
D. A. Jaffe
Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA
School of Science, Technology, Engineering and Mathematics, University of Washington-Bothell, Bothell, WA, USA
N. E. Selin
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA
T. L. Campos
Earth Observing Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
F. M. Flocke
Earth Observing Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
M. Reeves
Earth Observing Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
D. Stechman
Earth Observing Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
M. Stell
Earth Observing Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
J. Festa
Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA, USA
Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA, USA
A. J. Weinheimer
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
D. J. Knapp
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
D. D. Montzka
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
G. S. Tyndall
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
E. C. Apel
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
R. S. Hornbrook
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
A. J. Hills
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
D. D. Riemer
Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
N. J. Blake
Department of Chemistry, University of California, Irvine, CA, USA
C. A. Cantrell
Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, USA
R. L. Mauldin III
Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, USA
Department of Physics, University of Helsinki, Helsinki, Finland
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- Mercury Wet Scavenging and Deposition Differences by Precipitation Type A. Kaulfus et al. 10.1021/acs.est.6b04187
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- A synthesis of research needs for improving the understanding of atmospheric mercury cycling L. Zhang et al. 10.5194/acp-17-9133-2017
- Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions A. Carlton et al. 10.1175/BAMS-D-16-0048.1
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- Subtropical subsidence and surface deposition of oxidized mercury produced in the free troposphere V. Shah & L. Jaeglé 10.5194/acp-17-8999-2017
- Uncertainties in Atmospheric Mercury Modeling for Policy Evaluation S. Kwon & N. Selin 10.1007/s40726-016-0030-8
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- Effects of temperature and relative humidity on the partitioning of atmospheric oxidized mercury at a high-altitude mountain background site in Taiwan L. Nguyen et al. 10.1016/j.atmosenv.2021.118572
- Meteorological Drivers of Atmospheric Mercury Seasonality in the Temperate Northern Hemisphere Z. Xu et al. 10.1029/2022GL100120
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- Tropospheric mercury vertical profiles between 500 and 10 000 m in central Europe A. Weigelt et al. 10.5194/acp-16-4135-2016
- Isotopic compositions of atmospheric total gaseous mercury in 10 Chinese cities and implications for land surface emissions X. Fu et al. 10.5194/acp-21-6721-2021
- Two years measurement of speciated atmospheric mercury in a typical area of the north coast of China: Sources, temporal variations, and influence of regional and long-range transport C. Wang et al. 10.1016/j.atmosenv.2019.117235
- Airborne observations of mercury emissions from the Chicago/Gary urban/industrial area during the 2013 NOMADSS campaign L. Gratz et al. 10.1016/j.atmosenv.2016.09.051
- Atmospheric Chemistry of Gaseous Oxidized Mercury at a Coastal Site in Atlantic Canada I. Cheng et al. 10.1175/JAS-D-19-0120.1
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- Sources and outflows of atmospheric mercury at Mt. Changbai, northeastern China C. Liu et al. 10.1016/j.scitotenv.2019.01.332
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- First kinetic study of the atmospherically important reactions BrHg˙ + NO2and BrHg˙ + HOO Y. Jiao & T. Dibble 10.1039/C6CP06276H
- An updated review of atmospheric mercury S. Lyman et al. 10.1016/j.scitotenv.2019.135575
- Observed NO/NO2 Ratios in the Upper Troposphere Imply Errors in NO‐NO2‐O3 Cycling Kinetics or an Unaccounted NOx Reservoir R. Silvern et al. 10.1029/2018GL077728
- Thunderstorms Increase Mercury Wet Deposition C. Holmes et al. 10.1021/acs.est.6b02586
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- Characterization of refractory aerosol particles collected in the tropical upper troposphere–lower stratosphere (UTLS) within the Asian tropopause aerosol layer (ATAL) M. Ebert et al. 10.5194/acp-24-4771-2024
- Is oxidation of atmospheric mercury controlled by different mechanisms in the polluted continental boundary layer vs. remote marine boundary layer? M. Gabay et al. 10.1088/1748-9326/ab7b26
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- Mercury oxidation from bromine chemistry in the free troposphere over the southeastern US S. Coburn et al. 10.5194/acp-16-3743-2016
- Improvements to the Accuracy of Atmospheric Oxidized Mercury Measurements S. Lyman et al. 10.1021/acs.est.0c02747
- First field-based atmospheric observation of the reduction of reactive mercury driven by sunlight B. de Foy et al. 10.1016/j.atmosenv.2016.03.028
- Improved Mechanistic Model of the Atmospheric Redox Chemistry of Mercury V. Shah et al. 10.1021/acs.est.1c03160
- Mercury transformation processes in nature: Critical knowledge gaps and perspectives for moving forward Z. Gao et al. 10.1016/j.jes.2022.07.013
- Multi-model study of mercury dispersion in the atmosphere: vertical and interhemispheric distribution of mercury species J. Bieser et al. 10.5194/acp-17-6925-2017
- Environmental mercury pollution by an abandoned chlor-alkali plant in Southwest China Z. Song et al. 10.1016/j.gexplo.2018.07.017
- Source-receptor relationships for atmospheric mercury deposition in the context of global change H. Zhang et al. 10.1016/j.atmosenv.2021.118349
- Stable Mercury Isotopes Revealing Photochemical Processes in the Marine Boundary Layer Y. Qiu et al. 10.1029/2021JD034630
- Identifying and evaluating urban mercury emission sources through passive sampler-based mapping of atmospheric concentrations D. McLagan et al. 10.1088/1748-9326/aac8e6
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Latest update: 21 Nov 2024
Short summary
We present airborne observations of mercury over the southeastern USA during summer. Higher concentrations of oxidized mercury were observed in clean, dry air masses descending in the subtropical anti-cyclones. We used an atmospheric model to simulate the chemistry and transport of mercury. We found reasonable agreement with the observations when the modeled oxidation of elemental mercury was increased, suggesting fast cycling between elemental and oxidized mercury.
We present airborne observations of mercury over the southeastern USA during summer. Higher...
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